JAC Advance Access originally published online on October 28, 2006
Journal of Antimicrobial Chemotherapy 2007 59(1):157-159; doi:10.1093/jac/dkl430
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© The Author 2006. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Correspondence |
Comment on: Human intravenous immunoglobulin for experimental streptococcal toxic shock: bacterial clearance and modulation of inflammation
1 Department of Immunology, Mayo Clinic College of Medicine 200 First Street, SW, Rochester, MN 55905, USA 2 Divisions of Infectious Diseases and Clinical Microbiology, Mayo Clinic College of Medicine Rochester, MN 55905, USA 3 INSERM Unité 681 and Université Pierre et Marie Curie, Institut des Cordeliers Paris, France
*Corresponding author. Tel: +1-507-284-8180; Fax: +1-507-266-0981; E-mail: rajagopalan.govindarajan@mayo.edu
Keywords: superantigens , IVIg , HLA class II transgenic mice
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Sir,
In a recent report, Sriskandan et al.,1 evaluated human intravenous immunoglobulin (IVIg) in streptococcal toxic shock using the HLA-DQ8 transgenic mouse model. They observed that human IVIg neutralized streptococcal superantigens in vitro as well as in vivo and concluded that human IVIg could have potential therapeutic benefit in streptococcal toxic shock syndrome.1 Using a similar system we have observed that IVIg did not neutralize purified streptococcal superantigen-induced lymphocyte proliferation in vitro as well as in vivo. While Sriskandan et al.1 used streptococcal bacterial culture supernatants as the source of bacterial superantigens, we used purified individual streptococcal bacterial superantigens for our
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